This DTC is stored when the submersion circuit monitor inside the power management control ECU detects a large amount of water.
|DTC No.||DTC Detection Condition||Trouble Area|
|B2277||The submersion circuit monitor inside the power management control ECU detects a large amount of water.||Power management control ECU|
When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored.
CHECK FOR DTC
Clear the DTC Click here.
Turn the power switch on (IG).
After 330 seconds have elapsed, check if the DTC has been set again.
If there are any signs that water was present, before replacing the power source control ECU, take measures to prevent any further water entry.
REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here
REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here